Set Notations

Given the following set expressions, assign the right meaning to each symbol

1. x, y ∊ A
2. A = { x|x is an odd negative number } here -3 ∊ A, 8 ∉ A
3. A = ∅
4. N = {1, 2, 3, 4, ...}, n(N) = ℵ₀
5. R = {points in a plane}, n(R) = c
6. x ∊ A ⇔ x ∊ B 

1.  capital letter A
2.  small letter x
3.  ∊
4.  ∉
5.  { } (curly brackets)
6.  | (pipe)
7.  , (comma) between x and y
8. ∅
9.  ℵ₀ (aleph-null)
10. c
11.  ⇔

Please drag and drop the selected option in the right place or type it instead

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Reference

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